The mass of an unidentified rock is 15.5 grams. Students determine the volume of the rock by placing the rock in a cylinder with water. The students calculate the density of the rock. They determine the identity of the rock based on the density ranges in the table.
Rock Density Ranges
Rock Density Range
(g/cm3)
Coal 1.1-1.4
Dolomite 2.8-2.9
Peridotite 3.1-3.4
Sandstone 2.2-2.7
The students most likely have which type of rock?
A: Coal
B: Dolomite
C: Sandstone
D: Peridotite